package com.ali.util;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
import com.alibaba.fastjson.JSONObject;

/**
 * 阿里-云小蜜 HTTP工具类
 * @author 小帅丶
 */
public class AliYunHttpUtils {

    public static JSONObject sendGet(String url, String param) {
        JSONObject jsonParam = null;
//        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
//			Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
//			for (String key : map.keySet()) {
//				System.out.println(key + "--->" + map.get(key));
//			}
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            StringBuilder sb = new StringBuilder();
            String line;
            while ((line = in.readLine()) != null) {
//                result += line;
                sb.append(line);
            }
            jsonParam = JSONObject.parseObject(sb.toString());
            System.out.println("jsonParam"+jsonParam.toJSONString());
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e.getMessage());
            System.out.println("e: " + e);
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return jsonParam;
    }
}
